The 20-something cast we once knew has since grown up, gotten married, and had kids. What's more, every cast member ditched their noughties style — and we can barely recognize them. Ahead, we tracked just how much
has changed since the show first aired. Check out their individual evolutions, ahead. The Hills cast
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Heidi Montag: Then Back in ‘06, Montag exuded Cali-girl vibes with her golden blonde hair and barefaced glow.
Photo: David Crotty/Patrick McMullan/Getty Images.
Heidi Montag: Now Unlike some of her Hills co-stars, Montag ditched her old look years ago. Around the second season of the show, Montag began bleaching her hair a brighter shade of blonde, and it's been her signature look ever since.
Photo: Peter Kramer/Getty Images.
Audrina Patridge: Then After watching Patridge on The Hills, we were convinced we needed to dye our hair brown with box dye, buy a flat iron, and invest in charcoal eyeliner. Unlike her friends on the show, Patridge didn't work in fashion, but in music, giving her style a different edge — and we loved it.
Photo: Matt Winkelmeyer/Getty Images.
Audrina Patridge: Now
Patridge’s eyeliner has remained as dramatic as ever — although, it now lives closer to her top lashline rather than smudged below. She's also lightened up her naturally dark hair, serving as proof that the
is officially back.
Photo: Vince Bucci/Getty Images.
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Whitney Port: Now Fast-forward 13 years and Port looks exactly as she did back then. The only difference: She’s grown out her natural roots and upped her makeup game by adding a bit of bronzer and tinted lip balm to her routine.
Photo: Goffredo di Crollalanza/FilmMagic/Getty Images.
Mischa Barton: Then
You may be wondering
WTF is Mischa Barton
doing here? But it sort of makes sense:
, the show that birthed
, was inspired by
, the fictional teen drama that made Barton famous. While Barton only played an Orange County native on screen, her sun-kissed highlights and freckled skin surely fit the role.
Photo: Ian West/PA Images/Getty Images.
Mischa Barton: Now
As she joins the cast for the first time, Barton — someone who has
never watched The Hills
— is prepared to blend right in. Just take a look at her creamy highlights, neutral manicure, and
Photo: L. Cohen/WireImage/Getty Images.
Kristin Cavallari: Then In 2006, Cavallari was a recent high school graduate, rocking the kind of tan that only comes from a Spring Break trip to Cabo and a bright-blonde bob all the cool girls desperately wanted. She didn't appear on The Hills until the final two seasons, but that doesn't mean we weren't trying to copy her look until then.
Photo: Dia Dipasupil/Getty Images.
Photo: Michael Buckner/Getty Images.
Lauren Conrad: Then
In 2006, Conrad had just landed her first fashion internship, ironed her clothes with a flat iron, and didn’t go to Paris. She also rocked thinner brows,
, and patent leather headbands like they were going out of style.
Photo: Jennifer Graylock/Getty Images.